Ghastly beheadings, bloody murders, and cold-hearted child abduction cases. Precocious high school student Shin'ichi Kudo uses his keen powers of observation and astute intuition to solve mysteries that have left law enforcement officials baffled. Hot on the trail of a suspect, Shin'ichi is accosted from behind and fed a strange chemical which physically transforms him into a grade schooler! Taking on the pseudonym Conan Edogawa, he attempts to track down the people that did this to him.